Control Chart Wizard

Use Control Charts to improve reliability



Control Charts, also known as Shewhart charts, are used to study how a process changes over time. Control Charts are one of the seven basic tools of quality control.

When to Use a Control Chart:
• When controlling ongoing processes by finding and correcting problems as they occur.
• When predicting the expected range of outcomes from a process.
• When determining whether a process is stable (in statistical control).
• When analyzing patterns of process variation from special causes (non-routine events) or common causes (built into the process).
• When determining whether your quality improvement project should aim to prevent specific problems or to make fundamental changes to the process.

This Control Chart Wizard has a decision tree to help you figure out the type of data you have and how to build the right Control Chart, including all the formulas.

Additional information




Charles Carroll

Minimum Software Required

Microsoft Office


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